1. Numbers
  2. Compare 12109 vs 12121

Compare 12109 vs 12121

Property1210912121
Typeprimecomposite number
Unique factors13
Total factors13
Prime factorization121091171 × 231 × 311
Prime factorization1210917 × 23 × 31
Divisors count28
Divisors1, 121091, 17, 23, 31, 391, 527, 713, 12121
Number of properties80
Additive primes698th 
Cousin primes (1st member)236th 
Emirps329th 
Harmonic primes522nd 
Primes1450th 
Prime triplets (2nd member)123rd 
Pythagorean primes714th 
Twin primes (2nd member)238th 
Roman numberals  
Base 2101111010011012101111010110012
Base 312112111131211212213
Base 42331031423311214
Base 534141453414415
Base 613202161320416
Base 7502067502247
Base 8275158275318
Base 9175449175579
Base 1012109101212110
Base 11910911911a11
Base 12701112702112
Base 13568613569513
Base 1445ad1445bb14
Base 1538c41538d115
Base 162f4d162f5916
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